Omega-3 fatty acids for ADHD symptoms and learning difficulties in children

INTERVENTION: This double‐blind trial will supplement children with 1g eicosapentaenoic acid (EPA), 1g of docosahexaenoic acid (DHA) or linolenic acid (LA; sunflower oil placebo) in capsule format (4 capsules per day) in a 3 x 3 crossover trial over 12 months. It is expected that 4 months on each oil will provide a sufficient washout from the previous oil. CONDITION: Attention deficit hyperactivity disorder, learning difficulties in 7‐12 year old children PRIMARY OUTCOME: Cognitive assessments of attention, impulsivity and literacy Conners Parent Rating Scales Erythrocyte omega‐3 fatty acid levels SECONDARY OUTCOME: Eicosanoid levels Phospholipase enzyme (PLA2) activity INCLUSION CRITERIA: Children, ADHD diagnosis, parent‐reported learning difficulties, willing to fufil requirements of the study.